ruboty-pull-requests.gemspec

Gem::Specification.new do |spec|
  spec.name = "ruboty-pull-requests"
  spec.version = "0.0.1"
  spec.authors = ["Jun OHWADA"]
  spec.email = ["june29.jp@gmail.com"]
  spec.summary = "Access to pull requests"
  spec.files = ["ruboty-pull-requests.rb"]
  spec.require_path = "."
  spec.add_dependency "octokit"
end

ruboty-pull-requests.rb

require "octokit"

module Ruboty
  module Handlers
    class PullRequests < Base
      env :GITHUB_TOKEN,        "Set your token"
      env :GITHUB_API_ENDPOINT, "Set your API endpoint"
      env :GITHUB_REPOSITORIES, "Set target repositories"

      on(
        /pulls\s*(?<label>.*)/i,
        name: "pull_requests",
        description: "Access to pull requests"
      )
 
      def pull_requests(message)
        label = message[:label]
        targets = []

        Octokit.configure do |c|
          c.api_endpoint = ENV['GITHUB_API_ENDPOINT']
        end
        client = Octokit::Client.new(access_token: ENV['GITHUB_TOKEN'])

        ENV['GITHUB_REPOSITORIES'].split(",").each do |repository|
          pulls = client.pulls(repository)

          targets += 
            if label.empty?
              pulls
            else
              pulls.select { |pr| client.labels_for_issue(repository, pr.number).map(&:name).include?(label) }
            end
        end

        return if targets.empty?

        text = label.empty? ? "Pull Request の一覧はこちら:\n\n" : "ラベル「#{label}」の付いた Pull Request はこちら:\n\n"
        text += targets.map { |t|
          [t.title, t.html_url].join("\n")
        }.join("\n\n")

        message.reply(text)
      end
    end
  end
end